Finding the Third Proportional to 162,459 and 251,064

Step by Step Solution

1. Step 1: Write the proportion equation
   162,459 : 251,064 = 251,064 : x
2. Step 2: Convert to fraction form
   162,459/251,064 = 251,064/x
3. Step 3: Cross multiply
   162,459x = 251,064 × 251,064
4. Step 4: Simplify right side
   162,459x = 63,033,132,096
5. Step 5: Solve for x
   x = 63,033,132,096/162,459
6. Step 6: Final answer
   x = 387,994.09